Home / 239,135.32-358,692.60-89,376.91

Finding the Fourth Proportional to 239,135.32, 358,692.60 and 89,376.91

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Solution

The fourth proportional to 239,135.32, 358,692.60 and 89,376.91 is: 134,061.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,135.32 : 358,692.60 = 89,376.91 : x
  2. Step 2: Convert to fraction form
    239,135.32/358,692.60 = 89,376.91/x
  3. Step 3: Cross multiply
    239,135.32x = 358,692.60 × 89,376.91
  4. Step 4: Simplify right side
    239,135.32x = 32,058,834,434.40
  5. Step 5: Solve for x
    x = 32,058,834,434.40/239,135.32
  6. Step 6: Final answer
    x = 134,061.48

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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.