Home / 157,521.36-217,459.80-106,802.16

Finding the Fourth Proportional to 157,521.36, 217,459.80 and 106,802.16

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Solution

The fourth proportional to 157,521.36, 217,459.80 and 106,802.16 is: 147,441.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,521.36 : 217,459.80 = 106,802.16 : x
  2. Step 2: Convert to fraction form
    157,521.36/217,459.80 = 106,802.16/x
  3. Step 3: Cross multiply
    157,521.36x = 217,459.80 × 106,802.16
  4. Step 4: Simplify right side
    157,521.36x = 23,225,176,353.17
  5. Step 5: Solve for x
    x = 23,225,176,353.17/157,521.36
  6. Step 6: Final answer
    x = 147,441.44

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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.