Home / 142,117.35-213,138.90-42,250.65

Finding the Fourth Proportional to 142,117.35, 213,138.90 and 42,250.65

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Solution

The fourth proportional to 142,117.35, 213,138.90 and 42,250.65 is: 63,364.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,117.35 : 213,138.90 = 42,250.65 : x
  2. Step 2: Convert to fraction form
    142,117.35/213,138.90 = 42,250.65/x
  3. Step 3: Cross multiply
    142,117.35x = 213,138.90 × 42,250.65
  4. Step 4: Simplify right side
    142,117.35x = 9,005,257,065.29
  5. Step 5: Solve for x
    x = 9,005,257,065.29/142,117.35
  6. Step 6: Final answer
    x = 63,364.94

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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.