Home / 105,345.29-145,376.51-57,598.67

Finding the Fourth Proportional to 105,345.29, 145,376.51 and 57,598.67

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Solution

The fourth proportional to 105,345.29, 145,376.51 and 57,598.67 is: 79,486.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,345.29 : 145,376.51 = 57,598.67 : x
  2. Step 2: Convert to fraction form
    105,345.29/145,376.51 = 57,598.67/x
  3. Step 3: Cross multiply
    105,345.29x = 145,376.51 × 57,598.67
  4. Step 4: Simplify right side
    105,345.29x = 8,373,492,610.37
  5. Step 5: Solve for x
    x = 8,373,492,610.37/105,345.29
  6. Step 6: Final answer
    x = 79,486.16

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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.