Home / 158,223.46-218,346.53-85,624.67

Finding the Fourth Proportional to 158,223.46, 218,346.53 and 85,624.67

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Solution

The fourth proportional to 158,223.46, 218,346.53 and 85,624.67 is: 118,161.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,223.46 : 218,346.53 = 85,624.67 : x
  2. Step 2: Convert to fraction form
    158,223.46/218,346.53 = 85,624.67/x
  3. Step 3: Cross multiply
    158,223.46x = 218,346.53 × 85,624.67
  4. Step 4: Simplify right side
    158,223.46x = 18,695,849,576.90
  5. Step 5: Solve for x
    x = 18,695,849,576.90/158,223.46
  6. Step 6: Final answer
    x = 118,161.05

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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.