Home / 156,027.74-234,048.29-61,278.47

Finding the Fourth Proportional to 156,027.74, 234,048.29 and 61,278.47

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Solution

The fourth proportional to 156,027.74, 234,048.29 and 61,278.47 is: 91,920.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,027.74 : 234,048.29 = 61,278.47 : x
  2. Step 2: Convert to fraction form
    156,027.74/234,048.29 = 61,278.47/x
  3. Step 3: Cross multiply
    156,027.74x = 234,048.29 × 61,278.47
  4. Step 4: Simplify right side
    156,027.74x = 14,342,119,943.81
  5. Step 5: Solve for x
    x = 14,342,119,943.81/156,027.74
  6. Step 6: Final answer
    x = 91,920.32

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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.