Home / 157,038.32-235,579.20-50,397.20

Finding the Fourth Proportional to 157,038.32, 235,579.20 and 50,397.20

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Solution

The fourth proportional to 157,038.32, 235,579.20 and 50,397.20 is: 75,602.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,038.32 : 235,579.20 = 50,397.20 : x
  2. Step 2: Convert to fraction form
    157,038.32/235,579.20 = 50,397.20/x
  3. Step 3: Cross multiply
    157,038.32x = 235,579.20 × 50,397.20
  4. Step 4: Simplify right side
    157,038.32x = 11,872,532,058.24
  5. Step 5: Solve for x
    x = 11,872,532,058.24/157,038.32
  6. Step 6: Final answer
    x = 75,602.77

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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.