Home / 134,735.09-185,938.73-77,386.07

Finding the Fourth Proportional to 134,735.09, 185,938.73 and 77,386.07

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Solution

The fourth proportional to 134,735.09, 185,938.73 and 77,386.07 is: 106,795.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,735.09 : 185,938.73 = 77,386.07 : x
  2. Step 2: Convert to fraction form
    134,735.09/185,938.73 = 77,386.07/x
  3. Step 3: Cross multiply
    134,735.09x = 185,938.73 × 77,386.07
  4. Step 4: Simplify right side
    134,735.09x = 14,389,066,258.87
  5. Step 5: Solve for x
    x = 14,389,066,258.87/134,735.09
  6. Step 6: Final answer
    x = 106,795.24

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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.