Home / 249,448.59-344,281.08-142,003.71

Finding the Fourth Proportional to 249,448.59, 344,281.08 and 142,003.71

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Solution

The fourth proportional to 249,448.59, 344,281.08 and 142,003.71 is: 195,989.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,448.59 : 344,281.08 = 142,003.71 : x
  2. Step 2: Convert to fraction form
    249,448.59/344,281.08 = 142,003.71/x
  3. Step 3: Cross multiply
    249,448.59x = 344,281.08 × 142,003.71
  4. Step 4: Simplify right side
    249,448.59x = 48,889,190,642.81
  5. Step 5: Solve for x
    x = 48,889,190,642.81/249,448.59
  6. Step 6: Final answer
    x = 195,989.04

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1.5x scale

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.