Home / 124,420.12-171,701.64-70,706.32

Finding the Fourth Proportional to 124,420.12, 171,701.64 and 70,706.32

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Solution

The fourth proportional to 124,420.12, 171,701.64 and 70,706.32 is: 97,575.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,420.12 : 171,701.64 = 70,706.32 : x
  2. Step 2: Convert to fraction form
    124,420.12/171,701.64 = 70,706.32/x
  3. Step 3: Cross multiply
    124,420.12x = 171,701.64 × 70,706.32
  4. Step 4: Simplify right side
    124,420.12x = 12,140,391,102.36
  5. Step 5: Solve for x
    x = 12,140,391,102.36/124,420.12
  6. Step 6: Final answer
    x = 97,575.79

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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.