Home / 205,089.40-307,607.70-64,862.20

Finding the Fourth Proportional to 205,089.40, 307,607.70 and 64,862.20

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Solution

The fourth proportional to 205,089.40, 307,607.70 and 64,862.20 is: 97,284.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,089.40 : 307,607.70 = 64,862.20 : x
  2. Step 2: Convert to fraction form
    205,089.40/307,607.70 = 64,862.20/x
  3. Step 3: Cross multiply
    205,089.40x = 307,607.70 × 64,862.20
  4. Step 4: Simplify right side
    205,089.40x = 19,952,112,158.94
  5. Step 5: Solve for x
    x = 19,952,112,158.94/205,089.40
  6. Step 6: Final answer
    x = 97,284.95

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1.5x scale

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.