Home / 157,290.02-216,986.02-106,320.55

Finding the Fourth Proportional to 157,290.02, 216,986.02 and 106,320.55

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Solution

The fourth proportional to 157,290.02, 216,986.02 and 106,320.55 is: 146,672.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,290.02 : 216,986.02 = 106,320.55 : x
  2. Step 2: Convert to fraction form
    157,290.02/216,986.02 = 106,320.55/x
  3. Step 3: Cross multiply
    157,290.02x = 216,986.02 × 106,320.55
  4. Step 4: Simplify right side
    157,290.02x = 23,070,071,903.78
  5. Step 5: Solve for x
    x = 23,070,071,903.78/157,290.02
  6. Step 6: Final answer
    x = 146,672.19

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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.