Home / 124,762.49-172,180.40-70,328.06

Finding the Fourth Proportional to 124,762.49, 172,180.40 and 70,328.06

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Solution

The fourth proportional to 124,762.49, 172,180.40 and 70,328.06 is: 97,057.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,762.49 : 172,180.40 = 70,328.06 : x
  2. Step 2: Convert to fraction form
    124,762.49/172,180.40 = 70,328.06/x
  3. Step 3: Cross multiply
    124,762.49x = 172,180.40 × 70,328.06
  4. Step 4: Simplify right side
    124,762.49x = 12,109,112,289.48
  5. Step 5: Solve for x
    x = 12,109,112,289.48/124,762.49
  6. Step 6: Final answer
    x = 97,057.32

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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.