Home / 105,254.02-145,247.34-62,840.80

Finding the Fourth Proportional to 105,254.02, 145,247.34 and 62,840.80

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Solution

The fourth proportional to 105,254.02, 145,247.34 and 62,840.80 is: 86,718.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,254.02 : 145,247.34 = 62,840.80 : x
  2. Step 2: Convert to fraction form
    105,254.02/145,247.34 = 62,840.80/x
  3. Step 3: Cross multiply
    105,254.02x = 145,247.34 × 62,840.80
  4. Step 4: Simplify right side
    105,254.02x = 9,127,459,043.47
  5. Step 5: Solve for x
    x = 9,127,459,043.47/105,254.02
  6. Step 6: Final answer
    x = 86,718.39

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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.