Home / 160,330.68-221,159.96-105,883.35

Finding the Fourth Proportional to 160,330.68, 221,159.96 and 105,883.35

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Solution

The fourth proportional to 160,330.68, 221,159.96 and 105,883.35 is: 146,055.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,330.68 : 221,159.96 = 105,883.35 : x
  2. Step 2: Convert to fraction form
    160,330.68/221,159.96 = 105,883.35/x
  3. Step 3: Cross multiply
    160,330.68x = 221,159.96 × 105,883.35
  4. Step 4: Simplify right side
    160,330.68x = 23,417,156,921.25
  5. Step 5: Solve for x
    x = 23,417,156,921.25/160,330.68
  6. Step 6: Final answer
    x = 146,055.37

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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.