Home / 249,619.30-374,430.55-99,872.10

Finding the Fourth Proportional to 249,619.30, 374,430.55 and 99,872.10

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Solution

The fourth proportional to 249,619.30, 374,430.55 and 99,872.10 is: 149,808.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,619.30 : 374,430.55 = 99,872.10 : x
  2. Step 2: Convert to fraction form
    249,619.30/374,430.55 = 99,872.10/x
  3. Step 3: Cross multiply
    249,619.30x = 374,430.55 × 99,872.10
  4. Step 4: Simplify right side
    249,619.30x = 37,395,165,332.66
  5. Step 5: Solve for x
    x = 37,395,165,332.66/249,619.30
  6. Step 6: Final answer
    x = 149,808.79

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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.