Home / 142,397.10-213,595.85-58,157.28

Finding the Fourth Proportional to 142,397.10, 213,595.85 and 58,157.28

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Solution

The fourth proportional to 142,397.10, 213,595.85 and 58,157.28 is: 87,236.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,397.10 : 213,595.85 = 58,157.28 : x
  2. Step 2: Convert to fraction form
    142,397.10/213,595.85 = 58,157.28/x
  3. Step 3: Cross multiply
    142,397.10x = 213,595.85 × 58,157.28
  4. Step 4: Simplify right side
    142,397.10x = 12,422,153,800.68
  5. Step 5: Solve for x
    x = 12,422,153,800.68/142,397.10
  6. Step 6: Final answer
    x = 87,236.00

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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.