Home / 249,130.79-373,515.15-99,326.15

Finding the Fourth Proportional to 249,130.79, 373,515.15 and 99,326.15

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Solution

The fourth proportional to 249,130.79, 373,515.15 and 99,326.15 is: 148,917.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,130.79 : 373,515.15 = 99,326.15 : x
  2. Step 2: Convert to fraction form
    249,130.79/373,515.15 = 99,326.15/x
  3. Step 3: Cross multiply
    249,130.79x = 373,515.15 × 99,326.15
  4. Step 4: Simplify right side
    249,130.79x = 37,099,821,163.04
  5. Step 5: Solve for x
    x = 37,099,821,163.04/249,130.79
  6. Step 6: Final answer
    x = 148,917.05

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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.