Home / 105,314.08-145,326.54-59,985.40

Finding the Fourth Proportional to 105,314.08, 145,326.54 and 59,985.40

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Solution

The fourth proportional to 105,314.08, 145,326.54 and 59,985.40 is: 82,775.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,314.08 : 145,326.54 = 59,985.40 : x
  2. Step 2: Convert to fraction form
    105,314.08/145,326.54 = 59,985.40/x
  3. Step 3: Cross multiply
    105,314.08x = 145,326.54 × 59,985.40
  4. Step 4: Simplify right side
    105,314.08x = 8,717,470,632.52
  5. Step 5: Solve for x
    x = 8,717,470,632.52/105,314.08
  6. Step 6: Final answer
    x = 82,775.93

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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.