Home / 163,099.40-224,868.78-105,637.16

Finding the Fourth Proportional to 163,099.40, 224,868.78 and 105,637.16

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Solution

The fourth proportional to 163,099.40, 224,868.78 and 105,637.16 is: 145,644.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,099.40 : 224,868.78 = 105,637.16 : x
  2. Step 2: Convert to fraction form
    163,099.40/224,868.78 = 105,637.16/x
  3. Step 3: Cross multiply
    163,099.40x = 224,868.78 × 105,637.16
  4. Step 4: Simplify right side
    163,099.40x = 23,754,499,291.86
  5. Step 5: Solve for x
    x = 23,754,499,291.86/163,099.40
  6. Step 6: Final answer
    x = 145,644.31

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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.