Home / 145,360.83-218,133.60-75,240.18

Finding the Fourth Proportional to 145,360.83, 218,133.60 and 75,240.18

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Solution

The fourth proportional to 145,360.83, 218,133.60 and 75,240.18 is: 112,908.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,360.83 : 218,133.60 = 75,240.18 : x
  2. Step 2: Convert to fraction form
    145,360.83/218,133.60 = 75,240.18/x
  3. Step 3: Cross multiply
    145,360.83x = 218,133.60 × 75,240.18
  4. Step 4: Simplify right side
    145,360.83x = 16,412,411,328.05
  5. Step 5: Solve for x
    x = 16,412,411,328.05/145,360.83
  6. Step 6: Final answer
    x = 112,908.07

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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.