Home / 107,534.28-148,405.62-64,515.40

Finding the Fourth Proportional to 107,534.28, 148,405.62 and 64,515.40

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Solution

The fourth proportional to 107,534.28, 148,405.62 and 64,515.40 is: 89,036.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,534.28 : 148,405.62 = 64,515.40 : x
  2. Step 2: Convert to fraction form
    107,534.28/148,405.62 = 64,515.40/x
  3. Step 3: Cross multiply
    107,534.28x = 148,405.62 × 64,515.40
  4. Step 4: Simplify right side
    107,534.28x = 9,574,447,936.55
  5. Step 5: Solve for x
    x = 9,574,447,936.55/107,534.28
  6. Step 6: Final answer
    x = 89,036.24

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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.