Home / 124,543.47-171,873.77-70,836.21

Finding the Fourth Proportional to 124,543.47, 171,873.77 and 70,836.21

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Solution

The fourth proportional to 124,543.47, 171,873.77 and 70,836.21 is: 97,756.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,543.47 : 171,873.77 = 70,836.21 : x
  2. Step 2: Convert to fraction form
    124,543.47/171,873.77 = 70,836.21/x
  3. Step 3: Cross multiply
    124,543.47x = 171,873.77 × 70,836.21
  4. Step 4: Simplify right side
    124,543.47x = 12,174,886,465.21
  5. Step 5: Solve for x
    x = 12,174,886,465.21/124,543.47
  6. Step 6: Final answer
    x = 97,756.12

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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.