Home / 131,888.50-182,006.13-72,272.50

Finding the Fourth Proportional to 131,888.50, 182,006.13 and 72,272.50

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Solution

The fourth proportional to 131,888.50, 182,006.13 and 72,272.50 is: 99,736.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,888.50 : 182,006.13 = 72,272.50 : x
  2. Step 2: Convert to fraction form
    131,888.50/182,006.13 = 72,272.50/x
  3. Step 3: Cross multiply
    131,888.50x = 182,006.13 × 72,272.50
  4. Step 4: Simplify right side
    131,888.50x = 13,154,038,030.43
  5. Step 5: Solve for x
    x = 13,154,038,030.43/131,888.50
  6. Step 6: Final answer
    x = 99,736.05

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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.