Home / 157,262.33-217,031.12-118,430.63

Finding the Fourth Proportional to 157,262.33, 217,031.12 and 118,430.63

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Solution

The fourth proportional to 157,262.33, 217,031.12 and 118,430.63 is: 163,441.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,262.33 : 217,031.12 = 118,430.63 : x
  2. Step 2: Convert to fraction form
    157,262.33/217,031.12 = 118,430.63/x
  3. Step 3: Cross multiply
    157,262.33x = 217,031.12 × 118,430.63
  4. Step 4: Simplify right side
    157,262.33x = 25,703,130,593.90
  5. Step 5: Solve for x
    x = 25,703,130,593.90/157,262.33
  6. Step 6: Final answer
    x = 163,441.12

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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.