Home / 134,539.20-202,492.80-101,426.40

Finding the Fourth Proportional to 134,539.20, 202,492.80 and 101,426.40

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Solution

The fourth proportional to 134,539.20, 202,492.80 and 101,426.40 is: 152,655.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,539.20 : 202,492.80 = 101,426.40 : x
  2. Step 2: Convert to fraction form
    134,539.20/202,492.80 = 101,426.40/x
  3. Step 3: Cross multiply
    134,539.20x = 202,492.80 × 101,426.40
  4. Step 4: Simplify right side
    134,539.20x = 20,538,115,729.92
  5. Step 5: Solve for x
    x = 20,538,115,729.92/134,539.20
  6. Step 6: Final answer
    x = 152,655.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.