Home / 205,036.60-307,554.90-64,838.20

Finding the Fourth Proportional to 205,036.60, 307,554.90 and 64,838.20

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Solution

The fourth proportional to 205,036.60, 307,554.90 and 64,838.20 is: 97,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,036.60 : 307,554.90 = 64,838.20 : x
  2. Step 2: Convert to fraction form
    205,036.60/307,554.90 = 64,838.20/x
  3. Step 3: Cross multiply
    205,036.60x = 307,554.90 × 64,838.20
  4. Step 4: Simplify right side
    205,036.60x = 19,941,306,117.18
  5. Step 5: Solve for x
    x = 19,941,306,117.18/205,036.60
  6. Step 6: Final answer
    x = 97,257.30

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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.