Home / 180,543.14-249,146.50-99,968.94

Finding the Fourth Proportional to 180,543.14, 249,146.50 and 99,968.94

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Solution

The fourth proportional to 180,543.14, 249,146.50 and 99,968.94 is: 137,955.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,543.14 : 249,146.50 = 99,968.94 : x
  2. Step 2: Convert to fraction form
    180,543.14/249,146.50 = 99,968.94/x
  3. Step 3: Cross multiply
    180,543.14x = 249,146.50 × 99,968.94
  4. Step 4: Simplify right side
    180,543.14x = 24,906,910,412.35
  5. Step 5: Solve for x
    x = 24,906,910,412.35/180,543.14
  6. Step 6: Final answer
    x = 137,955.45

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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.