Home / 157,219.92-235,781.28-52,017.12

Finding the Fourth Proportional to 157,219.92, 235,781.28 and 52,017.12

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Solution

The fourth proportional to 157,219.92, 235,781.28 and 52,017.12 is: 78,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,219.92 : 235,781.28 = 52,017.12 : x
  2. Step 2: Convert to fraction form
    157,219.92/235,781.28 = 52,017.12/x
  3. Step 3: Cross multiply
    157,219.92x = 235,781.28 × 52,017.12
  4. Step 4: Simplify right side
    157,219.92x = 12,264,663,135.51
  5. Step 5: Solve for x
    x = 12,264,663,135.51/157,219.92
  6. Step 6: Final answer
    x = 78,009.60

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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.