Home / 145,095.11-217,632.34-38,476.70

Finding the Fourth Proportional to 145,095.11, 217,632.34 and 38,476.70

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Solution

The fourth proportional to 145,095.11, 217,632.34 and 38,476.70 is: 57,712.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,095.11 : 217,632.34 = 38,476.70 : x
  2. Step 2: Convert to fraction form
    145,095.11/217,632.34 = 38,476.70/x
  3. Step 3: Cross multiply
    145,095.11x = 217,632.34 × 38,476.70
  4. Step 4: Simplify right side
    145,095.11x = 8,373,773,712.40
  5. Step 5: Solve for x
    x = 8,373,773,712.40/145,095.11
  6. Step 6: Final answer
    x = 57,712.31

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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.