Home / 112,984.08-155,918.16-62,683.04

Finding the Fourth Proportional to 112,984.08, 155,918.16 and 62,683.04

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Solution

The fourth proportional to 112,984.08, 155,918.16 and 62,683.04 is: 86,502.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,984.08 : 155,918.16 = 62,683.04 : x
  2. Step 2: Convert to fraction form
    112,984.08/155,918.16 = 62,683.04/x
  3. Step 3: Cross multiply
    112,984.08x = 155,918.16 × 62,683.04
  4. Step 4: Simplify right side
    112,984.08x = 9,773,424,260.01
  5. Step 5: Solve for x
    x = 9,773,424,260.01/112,984.08
  6. Step 6: Final answer
    x = 86,502.67

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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.