Home / 112,741.90-155,609.40-70,292.23

Finding the Fourth Proportional to 112,741.90, 155,609.40 and 70,292.23

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Solution

The fourth proportional to 112,741.90, 155,609.40 and 70,292.23 is: 97,019.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,741.90 : 155,609.40 = 70,292.23 : x
  2. Step 2: Convert to fraction form
    112,741.90/155,609.40 = 70,292.23/x
  3. Step 3: Cross multiply
    112,741.90x = 155,609.40 × 70,292.23
  4. Step 4: Simplify right side
    112,741.90x = 10,938,131,734.96
  5. Step 5: Solve for x
    x = 10,938,131,734.96/112,741.90
  6. Step 6: Final answer
    x = 97,019.22

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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.