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Finding the Fourth Proportional to 180,484.63, 249,070.76 and 99,913.50

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Solution

The fourth proportional to 180,484.63, 249,070.76 and 99,913.50 is: 137,881.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,484.63 : 249,070.76 = 99,913.50 : x
  2. Step 2: Convert to fraction form
    180,484.63/249,070.76 = 99,913.50/x
  3. Step 3: Cross multiply
    180,484.63x = 249,070.76 × 99,913.50
  4. Step 4: Simplify right side
    180,484.63x = 24,885,531,379.26
  5. Step 5: Solve for x
    x = 24,885,531,379.26/180,484.63
  6. Step 6: Final answer
    x = 137,881.72

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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.