Home / 157,127.12-217,054.08-151,294.20

Finding the Fourth Proportional to 157,127.12, 217,054.08 and 151,294.20

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Solution

The fourth proportional to 157,127.12, 217,054.08 and 151,294.20 is: 208,996.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,127.12 : 217,054.08 = 151,294.20 : x
  2. Step 2: Convert to fraction form
    157,127.12/217,054.08 = 151,294.20/x
  3. Step 3: Cross multiply
    157,127.12x = 217,054.08 × 151,294.20
  4. Step 4: Simplify right side
    157,127.12x = 32,839,023,390.34
  5. Step 5: Solve for x
    x = 32,839,023,390.34/157,127.12
  6. Step 6: Final answer
    x = 208,996.53

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1.5x scale

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.