Home / 153,547.61-211,902.23-85,564.67

Finding the Fourth Proportional to 153,547.61, 211,902.23 and 85,564.67

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Solution

The fourth proportional to 153,547.61, 211,902.23 and 85,564.67 is: 118,082.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,547.61 : 211,902.23 = 85,564.67 : x
  2. Step 2: Convert to fraction form
    153,547.61/211,902.23 = 85,564.67/x
  3. Step 3: Cross multiply
    153,547.61x = 211,902.23 × 85,564.67
  4. Step 4: Simplify right side
    153,547.61x = 18,131,343,954.39
  5. Step 5: Solve for x
    x = 18,131,343,954.39/153,547.61
  6. Step 6: Final answer
    x = 118,082.88

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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.