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Finding the Fourth Proportional to 180,573.84, 249,192.60 and 99,999.60

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Solution

The fourth proportional to 180,573.84, 249,192.60 and 99,999.60 is: 137,999.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,573.84 : 249,192.60 = 99,999.60 : x
  2. Step 2: Convert to fraction form
    180,573.84/249,192.60 = 99,999.60/x
  3. Step 3: Cross multiply
    180,573.84x = 249,192.60 × 99,999.60
  4. Step 4: Simplify right side
    180,573.84x = 24,919,160,322.96
  5. Step 5: Solve for x
    x = 24,919,160,322.96/180,573.84
  6. Step 6: Final answer
    x = 137,999.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.