Home / 145,715.04-218,232.36-112,168.92

Finding the Fourth Proportional to 145,715.04, 218,232.36 and 112,168.92

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Solution

The fourth proportional to 145,715.04, 218,232.36 and 112,168.92 is: 167,991.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,715.04 : 218,232.36 = 112,168.92 : x
  2. Step 2: Convert to fraction form
    145,715.04/218,232.36 = 112,168.92/x
  3. Step 3: Cross multiply
    145,715.04x = 218,232.36 × 112,168.92
  4. Step 4: Simplify right side
    145,715.04x = 24,478,888,130.25
  5. Step 5: Solve for x
    x = 24,478,888,130.25/145,715.04
  6. Step 6: Final answer
    x = 167,991.50

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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.