Home / 147,557.80-221,315.10-42,365.80

Finding the Fourth Proportional to 147,557.80, 221,315.10 and 42,365.80

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Solution

The fourth proportional to 147,557.80, 221,315.10 and 42,365.80 is: 63,542.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,557.80 : 221,315.10 = 42,365.80 : x
  2. Step 2: Convert to fraction form
    147,557.80/221,315.10 = 42,365.80/x
  3. Step 3: Cross multiply
    147,557.80x = 221,315.10 × 42,365.80
  4. Step 4: Simplify right side
    147,557.80x = 9,376,191,263.58
  5. Step 5: Solve for x
    x = 9,376,191,263.58/147,557.80
  6. Step 6: Final answer
    x = 63,542.50

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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.