Home / 145,077.44-217,617.36-39,902.16

Finding the Fourth Proportional to 145,077.44, 217,617.36 and 39,902.16

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Solution

The fourth proportional to 145,077.44, 217,617.36 and 39,902.16 is: 59,853.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,077.44 : 217,617.36 = 39,902.16 : x
  2. Step 2: Convert to fraction form
    145,077.44/217,617.36 = 39,902.16/x
  3. Step 3: Cross multiply
    145,077.44x = 217,617.36 × 39,902.16
  4. Step 4: Simplify right side
    145,077.44x = 8,683,402,717.50
  5. Step 5: Solve for x
    x = 8,683,402,717.50/145,077.44
  6. Step 6: Final answer
    x = 59,853.57

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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.