Home / 145,298.49-200,438.79-126,152.22

Finding the Fourth Proportional to 145,298.49, 200,438.79 and 126,152.22

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Solution

The fourth proportional to 145,298.49, 200,438.79 and 126,152.22 is: 174,026.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,298.49 : 200,438.79 = 126,152.22 : x
  2. Step 2: Convert to fraction form
    145,298.49/200,438.79 = 126,152.22/x
  3. Step 3: Cross multiply
    145,298.49x = 200,438.79 × 126,152.22
  4. Step 4: Simplify right side
    145,298.49x = 25,285,798,332.61
  5. Step 5: Solve for x
    x = 25,285,798,332.61/145,298.49
  6. Step 6: Final answer
    x = 174,026.57

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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.