Home / 121,088.49-181,639.56-36,851.40

Finding the Fourth Proportional to 121,088.49, 181,639.56 and 36,851.40

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Solution

The fourth proportional to 121,088.49, 181,639.56 and 36,851.40 is: 55,279.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,088.49 : 181,639.56 = 36,851.40 : x
  2. Step 2: Convert to fraction form
    121,088.49/181,639.56 = 36,851.40/x
  3. Step 3: Cross multiply
    121,088.49x = 181,639.56 × 36,851.40
  4. Step 4: Simplify right side
    121,088.49x = 6,693,672,081.38
  5. Step 5: Solve for x
    x = 6,693,672,081.38/121,088.49
  6. Step 6: Final answer
    x = 55,279.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.