Home / 142,225.32-213,184.80-75,598.38

Finding the Fourth Proportional to 142,225.32, 213,184.80 and 75,598.38

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Solution

The fourth proportional to 142,225.32, 213,184.80 and 75,598.38 is: 113,316.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,225.32 : 213,184.80 = 75,598.38 : x
  2. Step 2: Convert to fraction form
    142,225.32/213,184.80 = 75,598.38/x
  3. Step 3: Cross multiply
    142,225.32x = 213,184.80 × 75,598.38
  4. Step 4: Simplify right side
    142,225.32x = 16,116,425,520.62
  5. Step 5: Solve for x
    x = 16,116,425,520.62/142,225.32
  6. Step 6: Final answer
    x = 113,316.15

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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.