Home / 281,030.56-387,812.51-160,210.76

Finding the Fourth Proportional to 281,030.56, 387,812.51 and 160,210.76

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Solution

The fourth proportional to 281,030.56, 387,812.51 and 160,210.76 is: 221,085.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,030.56 : 387,812.51 = 160,210.76 : x
  2. Step 2: Convert to fraction form
    281,030.56/387,812.51 = 160,210.76/x
  3. Step 3: Cross multiply
    281,030.56x = 387,812.51 × 160,210.76
  4. Step 4: Simplify right side
    281,030.56x = 62,131,737,006.73
  5. Step 5: Solve for x
    x = 62,131,737,006.73/281,030.56
  6. Step 6: Final answer
    x = 221,085.34

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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.