Home / 145,444.13-200,710.23-80,913.05

Finding the Fourth Proportional to 145,444.13, 200,710.23 and 80,913.05

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Solution

The fourth proportional to 145,444.13, 200,710.23 and 80,913.05 is: 111,658.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,444.13 : 200,710.23 = 80,913.05 : x
  2. Step 2: Convert to fraction form
    145,444.13/200,710.23 = 80,913.05/x
  3. Step 3: Cross multiply
    145,444.13x = 200,710.23 × 80,913.05
  4. Step 4: Simplify right side
    145,444.13x = 16,240,076,875.50
  5. Step 5: Solve for x
    x = 16,240,076,875.50/145,444.13
  6. Step 6: Final answer
    x = 111,658.52

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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.