Home / 109,345.79-163,994.07-39,225.10

Finding the Fourth Proportional to 109,345.79, 163,994.07 and 39,225.10

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Solution

The fourth proportional to 109,345.79, 163,994.07 and 39,225.10 is: 58,828.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,345.79 : 163,994.07 = 39,225.10 : x
  2. Step 2: Convert to fraction form
    109,345.79/163,994.07 = 39,225.10/x
  3. Step 3: Cross multiply
    109,345.79x = 163,994.07 × 39,225.10
  4. Step 4: Simplify right side
    109,345.79x = 6,432,683,795.16
  5. Step 5: Solve for x
    x = 6,432,683,795.16/109,345.79
  6. Step 6: Final answer
    x = 58,828.82

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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.