Home / 112,333.04-155,027.80-64,601.36

Finding the Fourth Proportional to 112,333.04, 155,027.80 and 64,601.36

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Solution

The fourth proportional to 112,333.04, 155,027.80 and 64,601.36 is: 89,154.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,333.04 : 155,027.80 = 64,601.36 : x
  2. Step 2: Convert to fraction form
    112,333.04/155,027.80 = 64,601.36/x
  3. Step 3: Cross multiply
    112,333.04x = 155,027.80 × 64,601.36
  4. Step 4: Simplify right side
    112,333.04x = 10,015,006,717.81
  5. Step 5: Solve for x
    x = 10,015,006,717.81/112,333.04
  6. Step 6: Final answer
    x = 89,154.60

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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.