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Finding the Fourth Proportional to 146,368.17, 201,988.04 and 79,300.17

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Solution

The fourth proportional to 146,368.17, 201,988.04 and 79,300.17 is: 109,434.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,368.17 : 201,988.04 = 79,300.17 : x
  2. Step 2: Convert to fraction form
    146,368.17/201,988.04 = 79,300.17/x
  3. Step 3: Cross multiply
    146,368.17x = 201,988.04 × 79,300.17
  4. Step 4: Simplify right side
    146,368.17x = 16,017,685,513.47
  5. Step 5: Solve for x
    x = 16,017,685,513.47/146,368.17
  6. Step 6: Final answer
    x = 109,434.21

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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.