Home / 162,316.59-223,982.33-90,686.67

Finding the Fourth Proportional to 162,316.59, 223,982.33 and 90,686.67

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Solution

The fourth proportional to 162,316.59, 223,982.33 and 90,686.67 is: 125,139.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,316.59 : 223,982.33 = 90,686.67 : x
  2. Step 2: Convert to fraction form
    162,316.59/223,982.33 = 90,686.67/x
  3. Step 3: Cross multiply
    162,316.59x = 223,982.33 × 90,686.67
  4. Step 4: Simplify right side
    162,316.59x = 20,312,211,193.11
  5. Step 5: Solve for x
    x = 20,312,211,193.11/162,316.59
  6. Step 6: Final answer
    x = 125,139.46

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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.