Home / 109,155.18-163,732.77-39,030.24

Finding the Fourth Proportional to 109,155.18, 163,732.77 and 39,030.24

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Solution

The fourth proportional to 109,155.18, 163,732.77 and 39,030.24 is: 58,545.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,155.18 : 163,732.77 = 39,030.24 : x
  2. Step 2: Convert to fraction form
    109,155.18/163,732.77 = 39,030.24/x
  3. Step 3: Cross multiply
    109,155.18x = 163,732.77 × 39,030.24
  4. Step 4: Simplify right side
    109,155.18x = 6,390,529,308.96
  5. Step 5: Solve for x
    x = 6,390,529,308.96/109,155.18
  6. Step 6: Final answer
    x = 58,545.36

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1.5x scale

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.