Home / 249,641.40-344,567.04-142,275.12

Finding the Fourth Proportional to 249,641.40, 344,567.04 and 142,275.12

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Solution

The fourth proportional to 249,641.40, 344,567.04 and 142,275.12 is: 196,374.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,641.40 : 344,567.04 = 142,275.12 : x
  2. Step 2: Convert to fraction form
    249,641.40/344,567.04 = 142,275.12/x
  3. Step 3: Cross multiply
    249,641.40x = 344,567.04 × 142,275.12
  4. Step 4: Simplify right side
    249,641.40x = 49,023,316,964.04
  5. Step 5: Solve for x
    x = 49,023,316,964.04/249,641.40
  6. Step 6: Final answer
    x = 196,374.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.