Home / 162,225.64-223,878.18-90,628.84

Finding the Fourth Proportional to 162,225.64, 223,878.18 and 90,628.84

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Solution

The fourth proportional to 162,225.64, 223,878.18 and 90,628.84 is: 125,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,225.64 : 223,878.18 = 90,628.84 : x
  2. Step 2: Convert to fraction form
    162,225.64/223,878.18 = 90,628.84/x
  3. Step 3: Cross multiply
    162,225.64x = 223,878.18 × 90,628.84
  4. Step 4: Simplify right side
    162,225.64x = 20,289,819,754.71
  5. Step 5: Solve for x
    x = 20,289,819,754.71/162,225.64
  6. Step 6: Final answer
    x = 125,071.60

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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.