Home / 249,509.57-344,322.87-142,079.60

Finding the Fourth Proportional to 249,509.57, 344,322.87 and 142,079.60

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Solution

The fourth proportional to 249,509.57, 344,322.87 and 142,079.60 is: 196,069.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,509.57 : 344,322.87 = 142,079.60 : x
  2. Step 2: Convert to fraction form
    249,509.57/344,322.87 = 142,079.60/x
  3. Step 3: Cross multiply
    249,509.57x = 344,322.87 × 142,079.60
  4. Step 4: Simplify right side
    249,509.57x = 48,921,256,501.26
  5. Step 5: Solve for x
    x = 48,921,256,501.26/249,509.57
  6. Step 6: Final answer
    x = 196,069.66

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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.