Home / 88,158.69-121,641.87-52,359.93

Finding the Fourth Proportional to 88,158.69, 121,641.87 and 52,359.93

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Solution

The fourth proportional to 88,158.69, 121,641.87 and 52,359.93 is: 72,246.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,158.69 : 121,641.87 = 52,359.93 : x
  2. Step 2: Convert to fraction form
    88,158.69/121,641.87 = 52,359.93/x
  3. Step 3: Cross multiply
    88,158.69x = 121,641.87 × 52,359.93
  4. Step 4: Simplify right side
    88,158.69x = 6,369,159,798.27
  5. Step 5: Solve for x
    x = 6,369,159,798.27/88,158.69
  6. Step 6: Final answer
    x = 72,246.53

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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.