Home / 249,926.77-344,890.36-142,531.37

Finding the Fourth Proportional to 249,926.77, 344,890.36 and 142,531.37

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Solution

The fourth proportional to 249,926.77, 344,890.36 and 142,531.37 is: 196,688.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,926.77 : 344,890.36 = 142,531.37 : x
  2. Step 2: Convert to fraction form
    249,926.77/344,890.36 = 142,531.37/x
  3. Step 3: Cross multiply
    249,926.77x = 344,890.36 × 142,531.37
  4. Step 4: Simplify right side
    249,926.77x = 49,157,693,429.81
  5. Step 5: Solve for x
    x = 49,157,693,429.81/249,926.77
  6. Step 6: Final answer
    x = 196,688.39

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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.