Home / 162,572.88-223,852.02-142,316.40

Finding the Fourth Proportional to 162,572.88, 223,852.02 and 142,316.40

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Solution

The fourth proportional to 162,572.88, 223,852.02 and 142,316.40 is: 195,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,572.88 : 223,852.02 = 142,316.40 : x
  2. Step 2: Convert to fraction form
    162,572.88/223,852.02 = 142,316.40/x
  3. Step 3: Cross multiply
    162,572.88x = 223,852.02 × 142,316.40
  4. Step 4: Simplify right side
    162,572.88x = 31,857,813,619.13
  5. Step 5: Solve for x
    x = 31,857,813,619.13/162,572.88
  6. Step 6: Final answer
    x = 195,960.20

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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.