Home / 155,033.40-213,888.69-97,657.32

Finding the Fourth Proportional to 155,033.40, 213,888.69 and 97,657.32

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Solution

The fourth proportional to 155,033.40, 213,888.69 and 97,657.32 is: 134,730.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,033.40 : 213,888.69 = 97,657.32 : x
  2. Step 2: Convert to fraction form
    155,033.40/213,888.69 = 97,657.32/x
  3. Step 3: Cross multiply
    155,033.40x = 213,888.69 × 97,657.32
  4. Step 4: Simplify right side
    155,033.40x = 20,887,796,243.71
  5. Step 5: Solve for x
    x = 20,887,796,243.71/155,033.40
  6. Step 6: Final answer
    x = 134,730.94

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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.