Home / 134,225.40-201,107.70-87,454.20

Finding the Fourth Proportional to 134,225.40, 201,107.70 and 87,454.20

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Solution

The fourth proportional to 134,225.40, 201,107.70 and 87,454.20 is: 131,031.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,225.40 : 201,107.70 = 87,454.20 : x
  2. Step 2: Convert to fraction form
    134,225.40/201,107.70 = 87,454.20/x
  3. Step 3: Cross multiply
    134,225.40x = 201,107.70 × 87,454.20
  4. Step 4: Simplify right side
    134,225.40x = 17,587,713,017.34
  5. Step 5: Solve for x
    x = 17,587,713,017.34/134,225.40
  6. Step 6: Final answer
    x = 131,031.18

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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.