Home / 439,585.08-659,341.14-140,053.56

Finding the Fourth Proportional to 439,585.08, 659,341.14 and 140,053.56

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Solution

The fourth proportional to 439,585.08, 659,341.14 and 140,053.56 is: 210,068.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,585.08 : 659,341.14 = 140,053.56 : x
  2. Step 2: Convert to fraction form
    439,585.08/659,341.14 = 140,053.56/x
  3. Step 3: Cross multiply
    439,585.08x = 659,341.14 × 140,053.56
  4. Step 4: Simplify right side
    439,585.08x = 92,343,073,911.46
  5. Step 5: Solve for x
    x = 92,343,073,911.46/439,585.08
  6. Step 6: Final answer
    x = 210,068.72

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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.