Home / 105,525.04-145,624.08-57,127

Finding the Fourth Proportional to 105,525.04, 145,624.08 and 57,127

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Solution

The fourth proportional to 105,525.04, 145,624.08 and 57,127 is: 78,835.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,525.04 : 145,624.08 = 57,127 : x
  2. Step 2: Convert to fraction form
    105,525.04/145,624.08 = 57,127/x
  3. Step 3: Cross multiply
    105,525.04x = 145,624.08 × 57,127
  4. Step 4: Simplify right side
    105,525.04x = 8,319,066,818.16
  5. Step 5: Solve for x
    x = 8,319,066,818.16/105,525.04
  6. Step 6: Final answer
    x = 78,835.00

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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.