Home / 157,030.70-216,682.68-106,154.12

Finding the Fourth Proportional to 157,030.70, 216,682.68 and 106,154.12

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Solution

The fourth proportional to 157,030.70, 216,682.68 and 106,154.12 is: 146,479.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,030.70 : 216,682.68 = 106,154.12 : x
  2. Step 2: Convert to fraction form
    157,030.70/216,682.68 = 106,154.12/x
  3. Step 3: Cross multiply
    157,030.70x = 216,682.68 × 106,154.12
  4. Step 4: Simplify right side
    157,030.70x = 23,001,759,214.64
  5. Step 5: Solve for x
    x = 23,001,759,214.64/157,030.70
  6. Step 6: Final answer
    x = 146,479.38

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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.