Home / 153,438.83-211,688.28-153,202.29

Finding the Fourth Proportional to 153,438.83, 211,688.28 and 153,202.29

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Solution

The fourth proportional to 153,438.83, 211,688.28 and 153,202.29 is: 211,361.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,438.83 : 211,688.28 = 153,202.29 : x
  2. Step 2: Convert to fraction form
    153,438.83/211,688.28 = 153,202.29/x
  3. Step 3: Cross multiply
    153,438.83x = 211,688.28 × 153,202.29
  4. Step 4: Simplify right side
    153,438.83x = 32,431,129,262.16
  5. Step 5: Solve for x
    x = 32,431,129,262.16/153,438.83
  6. Step 6: Final answer
    x = 211,361.94

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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.