Home / 139,023.20-208,547.08-39,184.24

Finding the Fourth Proportional to 139,023.20, 208,547.08 and 39,184.24

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Solution

The fourth proportional to 139,023.20, 208,547.08 and 39,184.24 is: 58,779.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,023.20 : 208,547.08 = 39,184.24 : x
  2. Step 2: Convert to fraction form
    139,023.20/208,547.08 = 39,184.24/x
  3. Step 3: Cross multiply
    139,023.20x = 208,547.08 × 39,184.24
  4. Step 4: Simplify right side
    139,023.20x = 8,171,758,834.02
  5. Step 5: Solve for x
    x = 8,171,758,834.02/139,023.20
  6. Step 6: Final answer
    x = 58,779.82

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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.