Home / 112,355.04-155,058.12-64,623.36

Finding the Fourth Proportional to 112,355.04, 155,058.12 and 64,623.36

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Solution

The fourth proportional to 112,355.04, 155,058.12 and 64,623.36 is: 89,184.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,355.04 : 155,058.12 = 64,623.36 : x
  2. Step 2: Convert to fraction form
    112,355.04/155,058.12 = 64,623.36/x
  3. Step 3: Cross multiply
    112,355.04x = 155,058.12 × 64,623.36
  4. Step 4: Simplify right side
    112,355.04x = 10,020,376,709.68
  5. Step 5: Solve for x
    x = 10,020,376,709.68/112,355.04
  6. Step 6: Final answer
    x = 89,184.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.