Home / 134,416.40-201,430.20-59,475.20

Finding the Fourth Proportional to 134,416.40, 201,430.20 and 59,475.20

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Solution

The fourth proportional to 134,416.40, 201,430.20 and 59,475.20 is: 89,126.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,416.40 : 201,430.20 = 59,475.20 : x
  2. Step 2: Convert to fraction form
    134,416.40/201,430.20 = 59,475.20/x
  3. Step 3: Cross multiply
    134,416.40x = 201,430.20 × 59,475.20
  4. Step 4: Simplify right side
    134,416.40x = 11,980,101,431.04
  5. Step 5: Solve for x
    x = 11,980,101,431.04/134,416.40
  6. Step 6: Final answer
    x = 89,126.78

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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.