Home / 134,115.60-201,173.40-99,123.60

Finding the Fourth Proportional to 134,115.60, 201,173.40 and 99,123.60

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Solution

The fourth proportional to 134,115.60, 201,173.40 and 99,123.60 is: 148,685.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,115.60 : 201,173.40 = 99,123.60 : x
  2. Step 2: Convert to fraction form
    134,115.60/201,173.40 = 99,123.60/x
  3. Step 3: Cross multiply
    134,115.60x = 201,173.40 × 99,123.60
  4. Step 4: Simplify right side
    134,115.60x = 19,941,031,632.24
  5. Step 5: Solve for x
    x = 19,941,031,632.24/134,115.60
  6. Step 6: Final answer
    x = 148,685.40

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1.5x scale

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.