Home / 145,433.24-200,630.50-85,006.42

Finding the Fourth Proportional to 145,433.24, 200,630.50 and 85,006.42

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Solution

The fourth proportional to 145,433.24, 200,630.50 and 85,006.42 is: 117,269.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,433.24 : 200,630.50 = 85,006.42 : x
  2. Step 2: Convert to fraction form
    145,433.24/200,630.50 = 85,006.42/x
  3. Step 3: Cross multiply
    145,433.24x = 200,630.50 × 85,006.42
  4. Step 4: Simplify right side
    145,433.24x = 17,054,880,547.81
  5. Step 5: Solve for x
    x = 17,054,880,547.81/145,433.24
  6. Step 6: Final answer
    x = 117,269.48

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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.