Home / 145,570.04-200,875.82-81,895.54

Finding the Fourth Proportional to 145,570.04, 200,875.82 and 81,895.54

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Solution

The fourth proportional to 145,570.04, 200,875.82 and 81,895.54 is: 113,009.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,570.04 : 200,875.82 = 81,895.54 : x
  2. Step 2: Convert to fraction form
    145,570.04/200,875.82 = 81,895.54/x
  3. Step 3: Cross multiply
    145,570.04x = 200,875.82 × 81,895.54
  4. Step 4: Simplify right side
    145,570.04x = 16,450,833,751.84
  5. Step 5: Solve for x
    x = 16,450,833,751.84/145,570.04
  6. Step 6: Final answer
    x = 113,009.75

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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.