Home / 162,293.04-223,962.88-90,685.40

Finding the Fourth Proportional to 162,293.04, 223,962.88 and 90,685.40

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Solution

The fourth proportional to 162,293.04, 223,962.88 and 90,685.40 is: 125,145.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,293.04 : 223,962.88 = 90,685.40 : x
  2. Step 2: Convert to fraction form
    162,293.04/223,962.88 = 90,685.40/x
  3. Step 3: Cross multiply
    162,293.04x = 223,962.88 × 90,685.40
  4. Step 4: Simplify right side
    162,293.04x = 20,310,163,357.95
  5. Step 5: Solve for x
    x = 20,310,163,357.95/162,293.04
  6. Step 6: Final answer
    x = 125,145.01

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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.