Home / 157,196.22-216,450.36-118,490.28

Finding the Fourth Proportional to 157,196.22, 216,450.36 and 118,490.28

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Solution

The fourth proportional to 157,196.22, 216,450.36 and 118,490.28 is: 163,154.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,196.22 : 216,450.36 = 118,490.28 : x
  2. Step 2: Convert to fraction form
    157,196.22/216,450.36 = 118,490.28/x
  3. Step 3: Cross multiply
    157,196.22x = 216,450.36 × 118,490.28
  4. Step 4: Simplify right side
    157,196.22x = 25,647,263,762.50
  5. Step 5: Solve for x
    x = 25,647,263,762.50/157,196.22
  6. Step 6: Final answer
    x = 163,154.46

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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.