Home / 147,613.51-221,376.93-67,606.30

Finding the Fourth Proportional to 147,613.51, 221,376.93 and 67,606.30

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Solution

The fourth proportional to 147,613.51, 221,376.93 and 67,606.30 is: 101,389.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,613.51 : 221,376.93 = 67,606.30 : x
  2. Step 2: Convert to fraction form
    147,613.51/221,376.93 = 67,606.30/x
  3. Step 3: Cross multiply
    147,613.51x = 221,376.93 × 67,606.30
  4. Step 4: Simplify right side
    147,613.51x = 14,966,475,142.66
  5. Step 5: Solve for x
    x = 14,966,475,142.66/147,613.51
  6. Step 6: Final answer
    x = 101,389.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.