Home / 239,705.83-359,465.28-89,864.35

Finding the Fourth Proportional to 239,705.83, 359,465.28 and 89,864.35

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Solution

The fourth proportional to 239,705.83, 359,465.28 and 89,864.35 is: 134,761.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,705.83 : 359,465.28 = 89,864.35 : x
  2. Step 2: Convert to fraction form
    239,705.83/359,465.28 = 89,864.35/x
  3. Step 3: Cross multiply
    239,705.83x = 359,465.28 × 89,864.35
  4. Step 4: Simplify right side
    239,705.83x = 32,303,113,734.77
  5. Step 5: Solve for x
    x = 32,303,113,734.77/239,705.83
  6. Step 6: Final answer
    x = 134,761.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.