Home / 133,802.91-184,877.51-129,013.38

Finding the Fourth Proportional to 133,802.91, 184,877.51 and 129,013.38

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Solution

The fourth proportional to 133,802.91, 184,877.51 and 129,013.38 is: 178,259.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,802.91 : 184,877.51 = 129,013.38 : x
  2. Step 2: Convert to fraction form
    133,802.91/184,877.51 = 129,013.38/x
  3. Step 3: Cross multiply
    133,802.91x = 184,877.51 × 129,013.38
  4. Step 4: Simplify right side
    133,802.91x = 23,851,671,806.02
  5. Step 5: Solve for x
    x = 23,851,671,806.02/133,802.91
  6. Step 6: Final answer
    x = 178,259.74

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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.