Home / 147,398.13-221,143.91-52,626.24

Finding the Fourth Proportional to 147,398.13, 221,143.91 and 52,626.24

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Solution

The fourth proportional to 147,398.13, 221,143.91 and 52,626.24 is: 78,956.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,398.13 : 221,143.91 = 52,626.24 : x
  2. Step 2: Convert to fraction form
    147,398.13/221,143.91 = 52,626.24/x
  3. Step 3: Cross multiply
    147,398.13x = 221,143.91 × 52,626.24
  4. Step 4: Simplify right side
    147,398.13x = 11,637,972,482.20
  5. Step 5: Solve for x
    x = 11,637,972,482.20/147,398.13
  6. Step 6: Final answer
    x = 78,956.04

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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.