Home / 134,068.40-201,129.60-39,298.40

Finding the Fourth Proportional to 134,068.40, 201,129.60 and 39,298.40

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Solution

The fourth proportional to 134,068.40, 201,129.60 and 39,298.40 is: 58,955.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,068.40 : 201,129.60 = 39,298.40 : x
  2. Step 2: Convert to fraction form
    134,068.40/201,129.60 = 39,298.40/x
  3. Step 3: Cross multiply
    134,068.40x = 201,129.60 × 39,298.40
  4. Step 4: Simplify right side
    134,068.40x = 7,904,071,472.64
  5. Step 5: Solve for x
    x = 7,904,071,472.64/134,068.40
  6. Step 6: Final answer
    x = 58,955.51

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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.