Home / 142,325.55-213,045.39-89,624.34

Finding the Fourth Proportional to 142,325.55, 213,045.39 and 89,624.34

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Solution

The fourth proportional to 142,325.55, 213,045.39 and 89,624.34 is: 134,157.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,325.55 : 213,045.39 = 89,624.34 : x
  2. Step 2: Convert to fraction form
    142,325.55/213,045.39 = 89,624.34/x
  3. Step 3: Cross multiply
    142,325.55x = 213,045.39 × 89,624.34
  4. Step 4: Simplify right side
    142,325.55x = 19,094,052,468.79
  5. Step 5: Solve for x
    x = 19,094,052,468.79/142,325.55
  6. Step 6: Final answer
    x = 134,157.59

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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.