Home / 155,300.13-232,955.36-42,970.93

Finding the Fourth Proportional to 155,300.13, 232,955.36 and 42,970.93

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Solution

The fourth proportional to 155,300.13, 232,955.36 and 42,970.93 is: 64,457.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,300.13 : 232,955.36 = 42,970.93 : x
  2. Step 2: Convert to fraction form
    155,300.13/232,955.36 = 42,970.93/x
  3. Step 3: Cross multiply
    155,300.13x = 232,955.36 × 42,970.93
  4. Step 4: Simplify right side
    155,300.13x = 10,010,308,467.68
  5. Step 5: Solve for x
    x = 10,010,308,467.68/155,300.13
  6. Step 6: Final answer
    x = 64,457.82

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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.