Home / 249,758.20-374,637.30-81,294.40

Finding the Fourth Proportional to 249,758.20, 374,637.30 and 81,294.40

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Solution

The fourth proportional to 249,758.20, 374,637.30 and 81,294.40 is: 121,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,758.20 : 374,637.30 = 81,294.40 : x
  2. Step 2: Convert to fraction form
    249,758.20/374,637.30 = 81,294.40/x
  3. Step 3: Cross multiply
    249,758.20x = 374,637.30 × 81,294.40
  4. Step 4: Simplify right side
    249,758.20x = 30,455,914,521.12
  5. Step 5: Solve for x
    x = 30,455,914,521.12/249,758.20
  6. Step 6: Final answer
    x = 121,941.60

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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.