Home / 158,565.56-218,935.29-102,075.35

Finding the Fourth Proportional to 158,565.56, 218,935.29 and 102,075.35

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Solution

The fourth proportional to 158,565.56, 218,935.29 and 102,075.35 is: 140,937.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,565.56 : 218,935.29 = 102,075.35 : x
  2. Step 2: Convert to fraction form
    158,565.56/218,935.29 = 102,075.35/x
  3. Step 3: Cross multiply
    158,565.56x = 218,935.29 × 102,075.35
  4. Step 4: Simplify right side
    158,565.56x = 22,347,896,354.10
  5. Step 5: Solve for x
    x = 22,347,896,354.10/158,565.56
  6. Step 6: Final answer
    x = 140,937.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.