Home / 249,956.61-344,931.55-142,561.25

Finding the Fourth Proportional to 249,956.61, 344,931.55 and 142,561.25

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Solution

The fourth proportional to 249,956.61, 344,931.55 and 142,561.25 is: 196,729.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,956.61 : 344,931.55 = 142,561.25 : x
  2. Step 2: Convert to fraction form
    249,956.61/344,931.55 = 142,561.25/x
  3. Step 3: Cross multiply
    249,956.61x = 344,931.55 × 142,561.25
  4. Step 4: Simplify right side
    249,956.61x = 49,173,870,494.97
  5. Step 5: Solve for x
    x = 49,173,870,494.97/249,956.61
  6. Step 6: Final answer
    x = 196,729.63

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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.