Home / 105,784.02-145,862.28-67,492.44

Finding the Fourth Proportional to 105,784.02, 145,862.28 and 67,492.44

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Solution

The fourth proportional to 105,784.02, 145,862.28 and 67,492.44 is: 93,063.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,784.02 : 145,862.28 = 67,492.44 : x
  2. Step 2: Convert to fraction form
    105,784.02/145,862.28 = 67,492.44/x
  3. Step 3: Cross multiply
    105,784.02x = 145,862.28 × 67,492.44
  4. Step 4: Simplify right side
    105,784.02x = 9,844,601,181.16
  5. Step 5: Solve for x
    x = 9,844,601,181.16/105,784.02
  6. Step 6: Final answer
    x = 93,063.22

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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.